14122321440 has 96 divisors (see below), whose sum is σ = 45519921216. Its totient is φ = 3678366720.

The previous prime is 14122321403. The next prime is 14122321489. The reversal of 14122321440 is 4412322141.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 14122321440.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321471 + ... + 362750.

It is an arithmetic number, because the mean of its divisors is an integer number (474165846).

Almost surely, 2^14122321440 is an apocalyptic number.

14122321440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14122321440 is an abundant number, since it is smaller than the sum of its proper divisors (31397599776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14122321440 is a wasteful number, since it uses less digits than its factorization.

14122321440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684282 (or 684274 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 14122321440 its reverse (4412322141), we get a palindrome (18534643581).

The spelling of 14122321440 in words is "fourteen billion, one hundred twenty-two million, three hundred twenty-one thousand, four hundred forty".